3 years ago

Which of the following sets of numbers is a Pythagorean triple?

Mathematics

1 answer:

djyliett [7]3 years ago

4 0

Answer:

12,16,20

Step-by-step explanation:

because in Pythagoras theorem m/2

You might be interested in

Tom mows lawns, after mowing 5 lawns he made 100$. Assuming he

BARSIC [14]

Answer:

$20

Step-by-step explanation:

simple maths

5 0

2 years ago

Cyndi got a manicure over the weekend. How much money will she need if the original cost is $35 plus a 9.25% tax and 15% tip? Ro

Vikki [24]

So you have $35+$3.24+$5.25= $43.49

6 0

3 years ago

CAN SOMEONE PLEASE HELP ME WITH THESE PEOPLE

vazorg [7]

Inverse of $f(x)=x+2$ is $f^{-1}(x)=x-2$ because

$f(x)=x+2\Rightarrow x=f^{-1}(x)+2\Rightarrow\boxed{f^{-1}(x)=x-2}$

Now $f^{-1}(-5)=-5-2=\boxed{-7}$ .

Hope this helps.

4 0

3 years ago

What is the area of a triangle whose vertices are X(1, 1), Y(3, -1), and Z(4,4)?

shepuryov [24]

Answer:

Step-by-step explanation:

Note that in this diagram, point A represents point X, point B represents point Y, and point C represents point Z.

From the diagram, it appears as if $\overline{XZ} \perp \overline{XY}$ . To determine if this is the case, we can find the slopes of both segments.

$m_{\overline{XZ}}=\frac{4-1}{4-1}=1\\m_{\overline{XY}}=\frac{-1-1}{3-1}=-1$

Since these slopes are negative reciprocals, we know that they are perpendicular.

This means we can use the formula $A=\frac{1}{2}bh$ , where b is the base (XY) and h is the height (XZ).

Note these are interchangeable.

Using the distance formula,

$XY=\sqrt{(3-1)^{2}+(-1-1)^{2}}=2\sqrt{2}\\XZ=\sqrt{(4-1)^{2}+(4-1)^{2}}=3\sqrt{2}$

This means the area is $\frac{1}{2}(2\sqrt{2})(3\sqrt{2})=\boxed{6}$

7 0

2 years ago

Alisa went to the store to buy some new clothes. She paid $13 for a new shirt and $5 for each necklace she purchased. How many n

jolli1 [7]

Answer:

Step-by-step explanation:

8 0

3 years ago